export default {
  getQueryStringByName: function (name) {
    var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i')
    var r = window.location.search.substr(1).match(reg)
    var context = ''
    if (r !== null) {
      context = r[2]
    }
    reg = null
    r = null
    return context === null || context === '' || context === 'undefined' ? '' : context
  }
}
